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Cambridge International AS & A-Level Mathematics Pure Mathematics 2 & 3 Coursebook
Qualification:Cambridge AS and A Level
Author(s):Julian Gilbey, Sue Pemberton, Julianne Hughes
This series has been developed specifically for the Cambridge International AS & A Level Mathematics (9709) syllabus to be examined from 2020.
Cambridge International AS & A Level Mathematics: Pure Mathematics 2 & 3 matches the corresponding units of the syllabus. It clearly indicates materials required for P3 study only, and contains materials on topics such as logarithmic and exponential functions, trigonometry, differentiation, integration, numerical solutions of equations, vectors and complex numbers. This coursebook contains a variety of features including recap sections for students to check their prior knowledge, detailed explanations and worked examples, end-of-chapter and cross-topic review exercises and 'Explore' tasks to encourage deeper thinking around mathematical concepts. Answers to coursebook questions are at the back of the book.
- Clear explanations and worked examples leading into practice exercises for students to familiarise themselves with concepts and apply them to answer questions.
- Written specifically for the syllabus for examination from 2020, giving teachers and learners confidence that the content of the syllabus is comprehensively covered.
- Clear diagrams assist with visual learning of ideas.
- "Explore" feature provides opportunities for further investigation to encourage discussion and reflection upon key mathematical concepts.
- Weblinks to further resources from Underground Mathematics promote deeper understanding of concepts.
- Exam-style and past-paper questions at the end of each chapter and cross-topic revision exercises to provide opportunities for assessment.
- Written by an experienced author and series editor, who both have experience of teaching and developing high quality resources.
1. Algebra
2. Logarithmic and exponential functions
3. Trigonometry
Cross-topic review exercise 1
4. Differentiation
5. Integration
6. Numerical solutions of equations
Cross-topic review exercise 2
7. Further algebra
8. Further calculus
Cross-topic review exercise 3
9. Vectors
10. Differential equations
11. Complex numbers
Cross-topic review exercise 4
Practice paper P2
Practice paper P3
Additional information
Weight | 0.92 kg |
Dimensions | 22 × 28 × 1.6 cm |


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Researchers are encouraged to submit their work electronically. Submitted paper should not exceed 15 pages, including illustrations. All papers must be without page numbers. Papers should be submitted electronically as pdf format without author(s) name. All papers will be fully refereed by a minimum of two specialized referees. Before final acceptance, all referees comments must be considered. Accepted papers will be published in the conference proceedings. Best papers awards will be distributed during the conference.
If you have any problems with the above web submission form, you can send the manuscript by email to firstname.lastname@example.com (subject: EECEA2020 Paper Submission). Please provide following information in your email: Names and complete address details of all authors (including email addresses), and Title of the submission.

subset: commoncrawl


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Novation Launchkey 25 MK2 Keyboard Controller
$ 136.05
- Description
- Reviews (0)
Essential keyboard controller for producing electronic music in Ableton Live
Launchkey is our easy-to-use MIDI keyboard controller. It's pretty much the quickest and easiest way to produce and perform electronic music, especially in Ableton Live – because we designed it specifically for the purpose. You just plug in via USB and the keys, faders, knobs and pads immediately spring into life, giving you hands-on control of your grid, instruments, effects and mixer.
Of course, if you don't use Ableton, it'll automatically map to other major music software too.
Play with Feeling
The heart of any MIDI keyboard controller is the keyboard itself. The Launchkey synth-style keyboard is lightweight, fast and very easy to play, but also velocity-sensitive so you can create truly expressive performances. You can choose between 25, 49 and 61-note versions, depending on whether you want portability or practicality.
Launchkey Studio
Take Control of Ableton Live
The less time you spend messing with your mouse, the more time you have for making music. If you want immediate hands-on control of your session grid, instruments and effects, you should use a MIDI keyboard controller that integrates immediately and automatically with Ableton Live. Like this one! That's what it's designed for.
Find out more about why Launchkey is the perfect keyboard controller for Ableton Live: click here.
Ableton Live Controls
Although designed with Ableton Live in mind, Launchkey also works with any HUI-compatible DAW. The premium quality synth-action keyboard and RGB backlit pads make playing virtual synths, samplers and drum machines a dream, while the rock-solid sliders, knobs and buttons enable tactile mixer control, automatically configured via InControl. Find out more
Easily Make Beats and Trigger Loops
Sixteen RGB pads provide clip colour-matched feedback to enhance your workflow, letting you create and launch clips, trigger samples, control FX and loads more; all whilst playing your keys. They're also velocity-sensitive, so you can really put some feeling into your beats.
Tweak and Mix Your Tracks
Launchkey is designed to let you shape your sound however you like. The eight rotary knobs are rock solid, designed to give you confidence when tweaking your instruments and effects. The 49 and 61-note versions give you hands-on control of your mixer too, with nine dedicated faders. However many controls you opt for, they will all integrate seamlessly and immediately with Ableton Live, and can be reassigned to anything.
Control All Major Music Software
Your choice of music software is crucial to your creativity. Although we designed Launchkey for Ableton Live, its pads, buttons, faders and knobs take control of all other major music software too using InControl.
Start Immediately
Launchkey is fully USB bus-powered and class compliant, so it works straight away without power supplies or drivers on Mac or PC. It also comes with everything you need to start making electronic music. You can find out how by clicking here.
Now expanded from 1GB to a whopping 4GB, the Loopmasters sample library included with every Novation Launch, SL and Impulse keyboard is packed with professional quality, royalty-free loops and one-shots, plus three fully multisampled Simpler-based instruments for Ableton Live 9: Acoustic Piano, Electric Piano and Organ.
Encompassing all contemporary genres – from blues, funk and hip-hop to bass, techno and all flavours of house – and taking in a huge range of electronic and acoustic instrumentation, it's everything you need to start making music today!
- 25, 49 or 61 synth-style, velocity-sensitive keys for easily creating performances with feeling.
- 16 RGB velocity-sensitive pads for both colour-matched feedback when launching clips and creating expressive drum beats.
- Nine faders (49 and 61-note versions) and eight knobs for easy control over mixer, instruments and effects.
- Get automatic hands-on control of other music software using InControl.
- USB bus-powered and totally class-compliant, so it works straight away without any drivers on Mac or PC.
- Includes Ableton Live Lite, Novation Bass Station and V-Station virtual instruments and 4 GB of Loopmasters samples.
25, 49 or 61 note velocity sensitive synth style keyboard
16 full-colour RGB backlit velocity sensitive drum pads
8 knobs
9 sliders (49 & 61 note) 1 slider (25 note)
6 dedicated transport controls
7 segment 3 character LED display
Additional Controls
Pitch bend and modulation wheels
2 octave / transpose buttons
2 Track / MIDI Channel buttons
8 mute / solo buttons plus toggle button (49 & 61 note)
3 InControl buttons (49 & 61 note) 2 InControl buttons (25 note)
2 full-colour RGB backlit round buttons
Fully USB bus powered on Mac or PC.
Camera connection kit or USB camera adapter required for use with iOS devices (not included). Power supply must also be used (not included).
Maximum power consumption 9V DC 250mA
Power supply not included
Sustain pedal 1/4" jack socket
Extra Kensington security slot
Software Compatibility
Ableton Live Lite 9 is included
If you already have Ableton Live it must be version 9 or greater to work with Launchkey. We recommend that you update to the latest version as previous versions of Ableton Live do not include the Launchkey integration for InControl. Launchkey will also work as a standard MIDI controller.
Product Dimensions
Launchkey 25: 450mm length x 270mm depth x 90mm height
Launchkey 49: 775mm length x 270mm depth x 90mm height
Launchkey 61: 940mm length x 270mm depth x 90mm height
There are no reviews yet.


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Fraudsters still conning people with HRMC itunes scam
Action Fraud has been warning people all year about a new trend that has hit the UK where fraudsters contact victims claiming to be from HM Revenue & Customs (HMRC) and trick them into paying bogus debts and taxes using iTunes gift cards.
Victims are being contacted in a variety of methods by fraudsters claiming to be from HMRC and are told they owe an outstanding debt and the scammers are asking for payment in iTunes gift card voucher codes.
A spokeman for Action Fruad said: "Fraudsters are now moving onto iTunes gift cards to collect money from victims because they can be easily redeemed and easily sold on. The scammers don't need the physical card to redeem the value and instead get victims to read out the serial code on the back over the phone.
"One victim had reported purchasing over 15 iTunes gift card vouchers from Argos at £100 pounds each and handing them over to fraudsters on the phone after receiving an automated voice message. Another victim handed gift card voucher codes worth £15,000 after receiving a cold call."
Fraudsters are contacting victims in three ways:
•Voicemails: Fraudsters are leaving victims automated voicemails saying that they owe HMRC unpaid taxes. When victims call back on the number provided, they are told that there is a warrant out in their name and if they don't pay, the police will arrest them.
•Spoofed calls: Fraudsters are cold calling victims using a spoofed 0300 200 3300 number and convincing them that they owe unpaid tax to HMRC.
•Text messages: Fraudsters are sending text messages that require victims to urgently call back on the number provided. When victims call back, they are told that there is a case being built against them for an outstanding debt and they must pay immediately.
How to protect yourself:
•HMRC will never use texts to tell you about a tax rebate or penalty or ever ask for payment in this way.
•Telephone numbers and text messages can easily be spoofed. You should never trust the number you see on your telephones display.
•If you receive a suspicious cold call, end it immediately.
To report a fraud and receive a police crime reference number, call Action Fraud on 0300 123 2040 or click here to report fraud online.


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Archive II Prints Fabrics
Archive Prints 2 Collection by Morris & Co uses a variety of original prints and designs, in a range of fabrics and colourations to create a collection that inspires and completes any room. Forest and Lodden Fabric are both traditional tapestry type designs which use bold and deep colouring to create a timeless look, whilst Love Is Enough uses a light pattern to create a good balance between the larger designs of the collection and the intricate florals.
View Archive II Prints Fabrics >


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WASHINGTON -- Physician groups voiced general support for a bill approved Tuesday by a Congressional subcommittee to replace Medicare's sustainable growth rate (SGR) formula.
Medical societies agreed that the bill approved by the House Energy and Commerce Health Subcommittee strikes a good balance among the physician community's many interests and is a fair transition away from today's fee-for-service Medicare reimbursement system.
However, nearly all also agree the bill is not perfect and more work is needed before a final product is signed into law. They point to the proposal's quality-reporting measures as an example.
The bill, which the subcommittee approved via voice vote Tuesday afternoon, has several elements but starts with repealing the SGR and providing 5 years of stable Medicare payments beginning next year, with reimbursements growing 0.5% for each year between then and 2018.
Starting in 2019, physicians can choose to report certain quality measures and have traditional fee-for-service payments adjusted based on how doctors compare to peers on those measures. Physicians can receive a 1% bonus if they perform well and receive a 1% penalty in payments if they don't.
Physicians may opt out of this quality-incentive program if they participate in an alternative payment model such as a patient-centered medical home, accountable care organization, or some yet-to-be-determined model.
Physicians who decline to report their quality data or participate in a alternative model will receive a 3% cut in payments starting in 2019.
Nearly 20 medical groups have penned letters of support for the bill, according to the Energy and Commerce Committee.
But there are questions and issues going forward. For example, the American Academy of Family Physicians (AAFP) dislikes how Medicare's pay raises don't give primary care providers more money. The legislation does direct Medicare to identify improperly valued services.
The AAFP's view was supported by Rep. Kathy Castor (D-Fla.) and Del. Donna Christensen (D-V.I.) during their opening statements.
The American College of Physicians noted the 0.5% annual update between 2014 and 2015 doesn't keep up with inflation, and called on Congress to monitor patient access to ensure the updates won't need to be increased.
Groups raised concern with the quality measures that are used in determining the bonuses and penalties starting in 2019. The bill calls for measures "endorsed by a consensus-based entity" but doesn't specify any organization. However, specialty groups are leery it could mean the National Quality Form (NQF), which has been slow to react to their needs.
The Association of American Medical Colleges (AAMC) told MedPage Today it would like to have those measures risk-adjusted for socioeconomic status to account for the variety of patients. Rep. Eliot Engel (D-N.Y.) supported the AAMC's view, noting his district claims both affluent areas and areas of abject poverty.
The bill does provide flexibility in determining the quality measures. For example, measures can be submitted directly to the Department of Health and Human Services and not have NQF's endorsement.
"I think the committee did a really good job at providing physicians with options," Ray Quintero, director of government relations for the American Osteopathic Association, told MedPage Today.
Groups such as the American Association of Neurological Surgeons also questioned how the potential quality reporting program will fit in with existing Physician Quality Reporting System (PQRS) and Value-Based Payment Modifier (VBPM) programs.
There is also the issue of how lawmakers will pay for the nearly $139 billion repeal of the SGR. The bill that cleared the subcommittee Tuesday doesn't include those payment provisions.
"That will not be easy," Rep. Joe Barton (R-Texas) said. "But it's not an issue that cannot be dealt with at the appropriate time."
A full committee markup is expected before Congress leaves for its long August recess at the end of next week. Changes could also come from a Senate bill, which lawmakers there have yet to publicly release.
The overriding theme from the medical societies' comments is that they want to do away with the much-hated SGR, which has threatened physician payments annually only to have Congress provide temporary patches to delay payment cuts. Physicians face a nearly 25% cut in Medicare payments starting next year unless Congress acts by then.


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The first major update to HTML in 10 years - factoring in changing tastes around rich-media applications and online collaboration - has been unveiled by the World Wide Web Consortium (W3C).
The group has published the first public working draft for what it termed a "major revision" to the mark-up language.
Much has changed since the early dot-com days of December 1997 when HTML 4 was published, as developers, designers and users have unlocked the web's potential. Web sites have moved from being a collection of static pages to media-rich communities leveraging participation.[Fire up the hookah, boys - Ed]
HTML 5 is designed to reflect this, with APIs for drawing two-dimensional graphics, embedding and controlling multimedia, managing client-side data storage and editing parts of documents. Turning to more bread-and-butter stuff, HTML 5 will also make it easier to represent familiar page elements. A full list of changes can be found here.
"Ajax and related innovations have propelled demands for a new standard that allows people to create web applications that interoperate across desktop and mobile," the group said.
HTML 5 is designed to inject more consistency into the ways vendors and end users have gone about building today's generation of sites. According to the W3C, HTML 5 will: "Improve interoperability and reduce software costs by giving precise rules not only about how to handle all correct HTML documents but also how to recover errors."
The work is being stewarded by the W3C's HTML Working Group, founded in March 2007. Members include Google, IBM, Microsoft, Mozilla and Nokia.®


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Police help push new laws through legislature
The Waynesville Police Department helped craft and then usher four bills, or some version of them, through the N.C. General Assembly this year, giving law enforcement officers statewide new tools in the fight against drugs.
For a small mountain police department, it was impressive to play such a prominent role in shepherding statewide drug-fighting legislation into law — not to mention four different bills.
"We are extremely pleased," said Waynesville Police Chief Bill Hollingsed.
The four bills tackle different problems that law enforcement agencies have grappled with, including the sale and use of synthetic drugs, delays in getting results of toxicology tests, and troubles combating prescription drug abuse.
For Hollingsed, he regularly witnessed the shortcomings in existing laws that sometimes handcuffed his officers from being as effective as they could in fighting drugs. Why not do something about it, he thought.
Related Items
The police department found a willing partner to carry the bills to Raleigh for them, namely Sen. Jim Davis, R-Franklin. The Waynesville Police Department gathered notebooks full of information to present to Davis in addition to wording for the bills to illustrate why each piece of legislation was important.
"A legislator doesn't know there is a problem until someone tells you there is a problem," Davis said, adding that the new laws will help both law enforcement and residents. "Everything that we can do to make their jobs more effective and easier and make our citizens safer is a good thing."
The Haywood County District Attorney's Office, the legislature's legal department and agents with the State Bureau of Investigation also helped in the process.
Synthetic drugs
One of the laws made the manufacture, sale, possession and use of synthetic marijuana illegal.
Hollingsed has repeatedly spoken about the negative effects of synthetic marijuana, plants that have been sprayed with unknown chemicals and psychotropic drugs. Side effects of the drugs include hallucinations, seizures, vomiting, elevated blood pressure, increased anxiety and violent behavior.
The bill drafted locally took cues from a law in Tennessee that prohibits all forms of synthetic drugs, even future forms. However, the bill was deemed too broad and a similar, yet more narrowly focused, piece of legislation, H.B. 813, was pushed through.
Prior to the bill's passage, there were no limits on who could buy and who could sell the synthetic drugs, even young children. Now, synthetic drugs in all its current forms are illegal.
"We are happy that we've got a law in place now," Hollingsed said.
The Waynesville Police Department has already arrested at least one person for possession of synthetic marijuana since the bill.
However, the new law still leaves wiggle room for manufacturers to create different chemical combinations, which would be legal unless the specific blend of ingredients is outlawed by the state.
"If new combinations come up, we will just have to deal with them," Hollingsed said.
Greater penalties
Undoubtedly, the greatest problem law enforcement agencies face today is the illegal sell and abuse of prescription drugs. The sale of prescription narcotics has risen 600 percent in the last decade, said Donnie Varnell, supervisor of the State Bureau of Investigation's diversion agents. Prescription drug overdose has become a leading cause of accidental deaths in the state.
"They are deadly," Varnell said. "Prescription drugs are bought and sold on the street just like cocaine and heroin."
However, state laws did not treat the sell of prescription pills as seriously as those drugs, particularly when it came medical personnel's role.
To help remedy the problem, Waynesville police drafted S.B. 252, which makes it a felony for employees in the health care profession to knowingly sell drugs or give out unnecessary prescriptions. The maximum sentence is 42 months in prison.
For example, a doctor or nurse could give a patient aspirin, claiming its percocet or hydrocodone. Meanwhile, they pocket the stronger pain pills to sell.
"It is cruel that they are not getting the pain medication they need," Hollingsed said.
Previously, the offense carried a minor sentence and sometimes offenders got out of any penalty at all.
"It's a little bit more of a deterrent," Varnell said.
A harsher sentence also gives law enforcement some leverage when interviewing an alleged criminal. It can be a bargaining chip if officers are trying to get information.
The new law is a step in the right direction, but eventually, Varnell said, he would like to see further ramifications for people who illegally possess, misuse and/or sell prescription drugs.
Of course, the ultimate goal is to eliminate prescription drug abuse altogether.
"In the end, we would like not to have a job," Varnell said. "It takes partnerships with everyone to combat the prescription drug problem."
Doctor shoppers
In addition to medical personnel who abuse their access controlled substances, there are also individuals — both dealers and addicts — who travel from physician to physician to obtain prescriptions. Using a tactic, known a doctor shopping, people look for medical practitioner they can easily get a prescription for narcotics from. The person will often visit multiple doctors so that no one physician gets suspicious.
In some cases, organized rings will send out people to obtain the prescriptions, which can then be sold for thousands on the street.
"We are almost being overwhelmed by very large scale, well-organized prescription drug rings," Varnell said.
To help identify prescription drug dealers and abusers, a new state law will give police access to the state's Controlled Substance Reporting System, a database that tracks whenever certain prescription drugs are prescribed and whom they are given to. With that information, law enforcement officials can identify doctors who are giving out large numbers of prescriptions or people who are seeking pills from multiple sources.
The law, which is the combination of three bills, including the locally drafted S.B. 253, gives police chiefs and/or designated officers on the force limited use of the database —bringing the state up to speed with the rest of the U.S.
"We were the only state in the country who did not allow law enforcement access," Hollingsed said.
Only trained officers will have permission to view the database, and they will have to keep a detailed log of when and why the Controlled Substance Reporting System is accessed.
Faster testing results
Whenever a crime occurs in Haywood County, police can send blood samples or other evidence to the nearby hospital for testing. However, when a motorist was arrested for driving under the influence, state law required law enforcement to send the blood or urine sample to the state crime lab, though no one seems to know why.
"We could not get an answer from anyone in Raleigh why that was in the DWI (statute)," Hollingsed said.
Forcing the samples to go through the state crime lab delayed results, which sometimes caused DWI cases to be dismissed. Without the results, the district attorney could not prosecute the case.
In addition, the technician who ran the sample had to drive all the way from the eastern part of the state to Western North Carolina to testify, creating an inconvenience for the crime lab.
But under passed S.B. 285, law enforcement agencies will no longer have to ship off evidence in DWI cases. Along with evidence from other crimes, blood or urine samples from alleged intoxicated drivers will be tested at nearby hospitals.
"(The hospitals in the state) were certainly more than qualified to do blood and urine testing," Davis said. "Doing blood and urine alcohol testing is not particularly difficult."